"My old mobile phone, which was held together with duct tape for the last few months of its sad existence, has finally been replaced with something more modern. I wanted to pick up a programmable, Linux-based phone like the RAZR2V8 or the FIC Neo1973, but I'm unfortunately a Verizon customer, which means that my options are currently very, very limited—at least until Verizon follows through with its open network plans."More here.

The only thing I was unable to do is to use my PC as an internet gateway to my Sony Ericsson k550.
Transfering files (even being slow) is very easy also there are remote control pfor programs like amarok that is great.